CN204313838U - A kind of hydrometeorological acquisition system of river channel - Google Patents
A kind of hydrometeorological acquisition system of river channel Download PDFInfo
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- CN204313838U CN204313838U CN201420674822.3U CN201420674822U CN204313838U CN 204313838 U CN204313838 U CN 204313838U CN 201420674822 U CN201420674822 U CN 201420674822U CN 204313838 U CN204313838 U CN 204313838U
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- hydrometeorological
- acquisition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model relates to a kind of hydrometeorological acquisition system of river channel, comprising: hydrometeorological acquisition terminal, the data acquisition module be connected with this hydrometeorological acquisition terminal; Described data acquisition module comprises: channel selection unit, the the first alternative analog switch unit be connected with the analog signal output of described hydrometeorological acquisition terminal, first, second modulate circuit be connected with two output terminals of the first alternative analog switch unit respectively, the output terminal of first, second modulate circuit described is connected with two input ends of the second alternative analog switch unit respectively, the output terminal of the second alternative analog switch unit is connected with the input end of AD unit, and the output terminal of this AD unit is connected with processor unit; Described hydrometeorological acquisition terminal is the acoustic Doppler section current meter be arranged on buoy, for gathering navigation channel current, distinguished and admirable real time data.
Description
The application is divisional application, the application number of original application: 2014203379462, invention and created name: the hydrometeorological acquisition system of river channel, the applying date: 2014-06-23.
Technical field
The utility model relates to a kind of hydrometeorological acquisition system of river channel.
Background technology
The hydrographic information in navigation channel has important impact to shipping operation, the hydrometeorological acquisition system of river channel is a kind of a kind of device for detecting navigation channel information of the Jiang Hai of being arranged in lake, its polling period reached half a year by 1 year, in its course of work, the signal acquisition range of hydrometeorology acquisition terminal is very wide, if do not processed, affects the processing accuracy of AD unit, make hydrographic data produce deviation, affect sea-route management.
Utility model content
The purpose of this utility model is to provide a kind of hydrometeorological acquisition system of river channel, and the hydrometeorological acquisition system of this river channel solves the technical matters of hydrometeorological acquisition terminal being carried out to data acquisition.
In order to solve the problems of the technologies described above, the utility model provides a kind of hydrometeorological acquisition system of river channel, comprising: hydrometeorological acquisition terminal, the data acquisition module be connected with this hydrometeorological acquisition terminal; Described data acquisition module comprises: the channel selection unit be connected with described hydrometeorological acquisition terminal, the the first alternative analog switch unit be connected with the analog signal output of described hydrometeorological acquisition terminal, first, second modulate circuit be connected with two output terminals of the first alternative analog switch unit respectively, the output terminal of first, second modulate circuit described is connected with two input ends of the second alternative analog switch unit respectively, and the output terminal of the second alternative analog switch unit is connected with the input end of AD unit; Described hydrometeorological acquisition terminal is the acoustic Doppler section current meter be arranged on buoy, for gathering navigation channel current real-time information or distinguished and admirable real-time information or water level real-time information etc.
Described channel selection unit comprises: comparer, the in-phase end of this comparer is connected with the analog signal output of described hydrometeorological acquisition terminal, its end of oppisite phase accesses a reference voltage, the output terminal of this comparer respectively with NPN triode, the base stage of PNP triode is connected, the collector of described NPN triode, the emitter of PNP triode is connected with a high level respectively, the emitter of described NPN triode, the collector of PNP triode is respectively with first, the control end of the second alternative analog switch unit is connected, and the emitter of NPN triode, the collector of PNP triode is also respectively by first, second resistance eutral grounding.
Technique scheme of the present utility model has the following advantages compared to existing technology: the utility model is divided input range by channel selection unit, if after the input simulating signal that input simulating signal is greater than reference voltage reduces by a certain percentage, input to A/D module, if input simulating signal is less than reference voltage, then amplification process is carried out to input simulating signal, input to A/D module, improve the versatility of modulate circuit, it is simple that it has structure, the feature of good reliability, and make the hydrometeorological signal of different range all can carry out conditioning collection, improve the accuracy of data acquisition of the hydrometeorological acquisition system of river channel.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the hydrometeorological acquisition system of river channel of the present utility model;
Fig. 2 is the circuit block diagram of data acquisition module of the present utility model.
Wherein, comparer U1A, NPN triode T1, PNP triode T2, the first resistance R1, the second resistance R2.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
As shown in Figure 1 to Figure 2, a kind of hydrometeorological acquisition system of river channel, comprising: processor unit, hydrometeorological acquisition terminal, and described hydrometeorological acquisition terminal is connected with processor unit by data acquisition module; And for providing the solar powered unit of the hydrometeorological acquisition system power supply of described river channel; The hydrometeorological information memory cell be connected with described processor unit, described processor unit is also connected with wireless communication module with GPS/ Big Dipper bimodulus compatible receiver module; Described data acquisition module comprises: channel selection unit, the the first alternative analog switch unit be connected with the analog signal output of described hydrometeorological acquisition terminal, first, second modulate circuit be connected with two output terminals of the first alternative analog switch unit respectively, the output terminal of first, second modulate circuit described is connected with two input ends of the second alternative analog switch unit respectively, the output terminal of the second alternative analog switch unit is connected with the input end of AD unit, and the output terminal of this AD unit is connected with processor unit.The utility model also solves the technical matters of the self-powered of the hydrometeorological acquisition system of river channel and various ways Wireless Data Transmission.
Described hydrometeorological acquisition terminal is the acoustic Doppler section current meter be arranged on buoy, for gathering navigation channel current real-time information or distinguished and admirable real-time information or water level real-time information etc.; Described wireless communication module can adopt GPRS module or CDMA DTU communication module; Described hydrometeorological information memory cell is adopted storage chip or is realized by SD card and SD card reader.The accumulator that described solar powered unit comprises solar panels, is connected with these solar panels, and storage battery current control submodule.
Described channel selection unit comprises: comparer U1A, the in-phase end of this comparer U1A is as the input end of described simulating signal, its end of oppisite phase accesses a reference voltage, the output terminal of this comparer U1A is connected with the base stage of NPN triode T1, PNP triode T2 respectively, the described collector of NPN triode T1, the emitter of PNP triode T2 are connected with a high level respectively, and the described emitter of NPN triode T1, the collector of PNP triode T2 are connected with the control end of first, second alternative analog switch unit respectively; And the collector of the emitter T1 of NPN triode, PNP triode T2 is also respectively by the first resistance R1, the second resistance R2 ground connection.
By reference voltage, signal is divided, if input simulating signal is greater than reference voltage, then comparer U1A exports high level, then NPN triode T1 saturation conduction, PNP triode T2 ends, and namely the control end of first, second alternative analog switch unit obtains 1 and 0 respectively, nurses one's health this input simulating signal with gating first modulate circuit, namely reduce, make signal access AD unit after conditioning by the second alternative analog switch unit; If input simulating signal is less than reference voltage, then comparer U1A output low level, then NPN triode T1 ends, PNP triode T2 saturation conduction, namely the control end of described alternative analog switch obtains 0 and 1 respectively, nurses one's health, namely amplify with gating second modulate circuit to this input simulating signal, make signal access AD unit after conditioning by the second alternative analog switch unit, make input simulating signal meet AD unit and gather needs.
Described first modulate circuit can select the anti-phase scale operation that is made up of respectively two integrated operational amplifiers and phase inverter to realize; Described second modulate circuit selects the in-phase proportion computing be made up of integrated operational amplifier.
First, second alternative analog switch unit described can be selected CD4053, CM303 to realize.
Claims (5)
1. a hydrometeorological acquisition system for river channel, is characterized in that, comprising: processor unit, hydrometeorological acquisition terminal, the data acquisition module be connected with this hydrometeorological acquisition terminal; Described hydrometeorological acquisition terminal is connected with processor unit by data acquisition module;
Described data acquisition module comprises: the channel selection unit be connected with described hydrometeorological acquisition terminal, the the first alternative analog switch unit be connected with the analog signal output of described hydrometeorological acquisition terminal, first, second modulate circuit be connected with two output terminals of the first alternative analog switch unit respectively, the output terminal of first, second modulate circuit described is connected with two input ends of the second alternative analog switch unit respectively, and the output terminal of the second alternative analog switch unit is connected with the input end of AD unit.
2. the hydrometeorological acquisition system of river channel according to claim 1, is characterized in that, described processor unit is also connected with wireless communication module with GPS/ Big Dipper bimodulus compatible receiver module.
3. the hydrometeorological acquisition system of river channel according to claim 1, it is characterized in that, described channel selection unit comprises: comparer, the in-phase end of this comparer is as the input end of described simulating signal, its end of oppisite phase accesses a reference voltage, the output terminal of this comparer respectively with NPN triode, the base stage of PNP triode is connected, the collector of described NPN triode, the emitter of PNP triode is connected with a high level respectively, the emitter of described NPN triode, the collector of PNP triode is respectively with first, the control end of the second alternative analog switch unit is connected, and the emitter of NPN triode, the collector of PNP triode is also respectively by first, second resistance eutral grounding.
4. the hydrometeorological acquisition system of river channel according to claim 2, is characterized in that, described wireless communication module can adopt GPRS module or CDMA DTU communication module.
5. the hydrometeorological acquisition system of river channel according to claim 1, is characterized in that, described hydrometeorological information memory cell is adopted storage chip or realized by SD card and SD card reader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674822.3U CN204313838U (en) | 2014-06-23 | 2014-06-23 | A kind of hydrometeorological acquisition system of river channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674822.3U CN204313838U (en) | 2014-06-23 | 2014-06-23 | A kind of hydrometeorological acquisition system of river channel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420337946.2U Division CN204085513U (en) | 2014-06-23 | 2014-06-23 | The hydrometeorological acquisition system of river channel |
Publications (1)
| Publication Number | Publication Date |
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| CN204313838U true CN204313838U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420674822.3U Expired - Fee Related CN204313838U (en) | 2014-06-23 | 2014-06-23 | A kind of hydrometeorological acquisition system of river channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112650116A (en) * | 2020-12-21 | 2021-04-13 | 浙江弄潮儿智慧科技有限公司 | Marine environment monitoring system based on Internet of things |
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2014
- 2014-06-23 CN CN201420674822.3U patent/CN204313838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112650116A (en) * | 2020-12-21 | 2021-04-13 | 浙江弄潮儿智慧科技有限公司 | Marine environment monitoring system based on Internet of things |
| CN112650116B (en) * | 2020-12-21 | 2022-02-01 | 浙江弄潮儿智慧科技有限公司 | Marine environment monitoring system based on Internet of things |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20160623 |